/ English Dictionary |
ATOMIC NUMBER 59
I. (noun)
Sense 1
Meaning:
A soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process
Synonyms:
atomic number 59; Pr; praseodymium
Classified under:
Hypernyms ("atomic number 59" is a kind of...):
metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
Holonyms ("atomic number 59" is a substance of...):
bastnaesite; bastnasite (a yellow-to-brown mineral that is a source of rare earth elements)
monazite (a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium)